.container {
  width: 80%;
}
main {
  margin-top: 8px;
}
main .crumbs {
  color: #514e4e;
  line-height: 59px;
  font-size: 15px;
}
main .crumbs .crumbs_title:hover {
  color: #23b8ff;
  cursor: pointer;
}
main .crumbs .crumbs_title:nth-child(9) {
  color: #898888;
}
main .crumbs .crumbs_title:nth-child(9):hover {
  color: #23b8ff;
  cursor: pointer;
}
main .content .video .video_top {
  display: flex;
}
main .content .video .video_top .video_top_left {
  position: relative;
  width: 73%;
  border: 2px solid #999;
  background: #000;
}
main .content .video .video_top .video_top_left img {
  width: 100%;
  height: 100%;
  opacity: 0.6;
  filter: alpha(opacity=60);
}
main .content .video .video_top .video_top_left .video_top_bofang {
  cursor: pointer;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #23b8ff;
  margin-top: -50px;
  margin-left: -50px;
}
main .content .video .video_top .video_top_left .video_top_bofang svg {
  width: 100px;
  height: 100px;
}
main .content .video .video_top .test-1::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 10px;
  /*高宽分别对应横竖滚动条的尺寸*/
  height: 1px;
}
main .content .video .video_top .test-1::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius: 10px;
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  background: #999999;
}
main .content .video .video_top .test-1::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  background: #131313;
}
main .content .video .video_top .video_top_right {
  width: 27%;
  height: 587px;
  background-color: #131313;
  overflow-y: scroll;
}
main .content .video .video_top .video_top_right .particulars .particularsbox .particulars_text {
  line-height: 30px;
  margin-top: 5px;
  color: #999;
  font-size: 14px;
  margin-left: 10px;
}
main .content .video .video_top .video_top_right .particulars .particularsbox .particularsbox1 {
  cursor: pointer;
  color: #999;
  display: flex;
  line-height: 17px;
  margin-left: 0px;
  padding: 10px;
  border-bottom: 1px solid #201f1f;
  font-size: 13px;
}
main .content .video .video_top .video_top_right .particulars .particularsbox .particularsbox1 .particulars_left {
  width: 33px;
  background: #999;
  color: #000;
  height: 15px;
  font-size: 10px;
  /* padding: 10px 15px; */
  border-radius: 3px;
  text-align: center;
  line-height: 15px;
}
main .content .video .video_top .video_top_right .particulars .particularsbox .particularsbox1 .particulars_right {
  margin-left: 10px;
}
main .content .video .video_top .video_top_right .particulars .particularsbox .particularsbox1:hover {
  color: #23b8ff;
}
main .content .video .video_bottom .video_bottombox {
  display: flex;
  padding: 10px 20px;
  background-color: #232323;
}
main .content .video .video_bottom .video_bottombox .video_bottom-left {
  width: 73%;
}
main .content .video .video_bottom .video_bottombox .video_bottom-left .top {
  color: #fff;
  font-size: 22px;
  line-height: 39px;
}
main .content .video .video_bottom .video_bottombox .video_bottom-left .top span {
  margin-left: 10px;
  color: #ff4f23;
}
main .content .video .video_bottom .video_bottombox .video_bottom-left .bottom {
  display: flex;
  color: #999;
  font-size: 13px;
  line-height: 41px;
}
main .content .video .video_bottom .video_bottombox .video_bottom-left .bottom div {
  margin-left: 27px;
}
main .content .video .video_bottom .video_bottombox .video_bottom-left .bottom div:nth-child(1) {
  margin-left: 0;
}
main .content .video .video_bottom .video_bottombox .video_bottom-right {
  cursor: pointer;
  width: 26%;
  display: flex;
  align-items: center;
  justify-content: center;
}
main .content .video .video_bottom .video_bottombox .video_bottom-right div {
  width: 258px;
  height: 48px;
  background: #23b8ff;
  color: #fff;
  font-size: 19px;
  text-align: center;
  line-height: 48px;
}
.content_fenxiang {
  position: absolute;
  top: 255px;
  left: px;
  right: 305px;
  width: 355px;
  height: 360px;
  background-color: #fff;
  box-shadow: 1px 1px 5px #ebe9e9;
  border-radius: 4px;
  display: none;
}
.content_fenxiang .logo {
  display: flex;
  height: 140px;
  padding: 30px;
  border-bottom: 1px solid #f6f2f2;
}
.content_fenxiang .logo .qq {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 48%;
}
.content_fenxiang .logo .qq .text {
  font-size: 12px;
  color: #999;
  margin-top: 20px;
}
.content_fenxiang .logo .qq svg {
  width: 35px;
  height: 35px;
}
.content_fenxiang .logo .wx {
  width: 48%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.content_fenxiang .logo .wx .text {
  font-size: 12px;
  color: #999;
  margin-top: 20px;
}
.content_fenxiang .logo .wx svg {
  width: 35px;
  height: 35px;
}
.content_fenxiang .erweima {
  display: flex;
  margin-top: 20px;
}
.content_fenxiang .erweima .wxsm {
  width: 48%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.content_fenxiang .erweima .wxsm .text {
  font-size: 12px;
  color: #999;
  line-height: 38px;
}
.content_fenxiang .erweima .wxsm .text1 {
  margin-top: 16px;
  color: #23b8ff;
  cursor: pointer;
}
.content_fenxiang .erweima .qqsm {
  width: 48%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.content_fenxiang .erweima .qqsm .text {
  font-size: 12px;
  color: #999;
  line-height: 38px;
}
.content_fenxiang .erweima .qqsm .text1 {
  margin-top: 16px;
  color: #23b8ff;
  cursor: pointer;
}
nav {
  background-color: #f4f4f4;
  width: 100%;
}
nav .box {
  display: flex;
  background-color: #f4f4f4;
  margin-top: 40px;
}
nav .box .left {
  width: 70%;
  margin-top: 22px;
  background-color: #fff;
}
nav .box .left .tab {
  width: 100%;
}
nav .box .left .tab .tab_list {
  width: 100%;
  height: 60px;
  border-bottom: 1px solid #efefef;
}
nav .box .left .tab .tab_list ul li {
  float: left;
  height: 60px;
  line-height: 39px;
  padding: 0 20px;
  text-align: center;
  cursor: pointer;
  list-style-type: none;
  line-height: 60px;
  padding: 0 40px;
}
nav .box .left .tab .tab_con .item {
  display: none;
  padding: 20px;
}
nav .box .left .tab .tab_con .item:nth-child(1) .wx {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 63px;
  background-color: #f6f6f6;
  padding: 20px,10px;
  padding: 20px 30px;
  line-height: 23px;
}
nav .box .left .tab .tab_con .item:nth-child(1) .teacher .teacherbox {
  display: flex;
}
nav .box .left .tab .tab_con .item:nth-child(1) .teacher .teacherbox .teacher_head img {
  width: 81px;
  height: 81px;
  border-radius: 50%;
}
nav .box .left .tab .tab_con .item:nth-child(1) .teacher .teacherbox .teacher_introduce .teacher_introduce_name {
  color: #23b8ff;
  margin-left: 20px;
}
nav .box .left .tab .tab_con .item:nth-child(1) .teacher .teacherbox .teacher_introduce .teacher_introduce_title {
  width: 200px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  margin-left: 20px;
  margin-top: 10px;
  color: #333333;
}
nav .box .left .tab .tab_con .item:nth-child(1) .teacher .teacher_synopsis {
  margin-top: 20px;
  display: flex;
}
nav .box .left .tab .tab_con .item:nth-child(1) .teacher .teacher_synopsis .teacher_synopsis_title {
  color: #999;
  width: 242px;
  text-align: center;
  letter-spacing: 18px;
}
nav .box .left .tab .tab_con .item:nth-child(1) .teacher .teacher_synopsis .teacher_synopsis_content {
  color: #333333;
}
nav .box .left .tab .tab_con .item:nth-child(2) {
  padding: 10px 15px;
}
nav .box .left .tab .tab_con .item:nth-child(2) .wx {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 63px;
  background-color: #f6f6f6;
  padding: 20px,10px;
  padding: 20px 30px;
  line-height: 23px;
}
nav .box .left .tab .tab_con .item:nth-child(2) .course {
  margin-top: 30px;
}
nav .box .left .tab .tab_con .item:nth-child(2) .course ul li {
  margin-top: 25px;
}
nav .box .left .tab .tab_con .item:nth-child(2) .course ul li .course_title {
  font-size: 19px;
  font-weight: 600;
  margin-left: 10px;
}
nav .box .left .tab .tab_con .item:nth-child(2) .course ul li .course_data {
  width: 100%;
  height: 50px;
  margin-top: 20px;
  background: #f4f4f4;
  padding: 17px 23px;
}
nav .box .left .tab .tab_con .item:nth-child(2) .course ul li .course_data span {
  color: #999;
}
nav .box .left .tab .tab_con .item:nth-child(3) {
  display: flex;
  justify-content: center;
  align-items: center;
}
nav .box .right {
  width: 27%;
  height: 530px;
  margin-left: 14px;
  margin-top: 22px;
  background-color: #fff;
  padding: 27px;
}
nav .box .right .touz_box {
  display: flex;
}
nav .box .right .touz_box .right-titel img {
  width: 66px;
}
nav .box .right .touz_box .right_name {
  margin-left: 22px;
  color: #23b8ff;
}
nav .box .right .right_comment {
  display: flex;
  margin-top: 20px;
}
nav .box .right .right_comment .right_comment_text {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100px;
}
nav .box .right .right_comment .right_comment_text div:nth-child(2) {
  color: #999;
  line-height: 28px;
}
nav .box .right .right_comment .right_comment_text:nth-child(2) {
  border-left: 1px solid #e0dfdf;
}
nav .box .right .right_comment .right_comment_text:nth-child(3) {
  border-left: 1px solid #e0dfdf;
}
nav .box .right .right_text {
  margin-top: 20px;
  line-height: 20px;
  font-weight: 300;
  border-bottom: 1px solid #e0dfdf;
  padding-bottom: 42px;
}
nav .box .right .right_contact {
  margin-top: 15px;
  line-height: 40px;
}
nav .bottom-tab .tab1 {
  width: 100%;
  margin-top: 40px;
}
nav .bottom-tab .tab1 .tab_list1 {
  width: 100%;
  height: 60px;
  border-bottom: 1px solid #efefef;
}
nav .bottom-tab .tab1 .tab_list1 ul li {
  float: left;
  height: 60px;
  line-height: 39px;
  padding: 0 20px;
  text-align: center;
  cursor: pointer;
  list-style-type: none;
  line-height: 60px;
  padding: 0 40px;
}
nav .bottom-tab .tab1 .tab_con1 .item1 {
  width: 80%;
  display: none;
}
nav .bottom-tab .tab1 .tab_con1 .item1 .item1box {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  padding-bottom: 30px;
}
nav .bottom-tab .tab1 .tab_con1 .item1 .item1box .item1_title {
  height: 36px;
  border: 1px solid #d4d4d4;
  padding: 8px 10px;
  margin-left: 15px;
  border-radius: 20px;
  margin-top: 10px;
  color: #696969;
}
nav .bottom-tab .tab1 .tab_con1 .item1 .item1box2 {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  padding-bottom: 30px;
}
nav .bottom-tab .tab1 .tab_con1 .item1 .item1box2 .item1_title {
  height: 36px;
  border: 1px solid #d4d4d4;
  padding: 8px 10px;
  margin-left: 15px;
  border-radius: 20px;
  margin-top: 10px;
  color: #696969;
}
.current {
  border-bottom: 4px solid #23b8ff;
  color: #23b8ff;
}
